CN102700764A - High-speed unreeling device for thin film intermittent feed and control method - Google Patents
High-speed unreeling device for thin film intermittent feed and control method Download PDFInfo
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- CN102700764A CN102700764A CN2012102075516A CN201210207551A CN102700764A CN 102700764 A CN102700764 A CN 102700764A CN 2012102075516 A CN2012102075516 A CN 2012102075516A CN 201210207551 A CN201210207551 A CN 201210207551A CN 102700764 A CN102700764 A CN 102700764A
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Abstract
The invention discloses a high-speed unreeling device for thin film intermittent feed and a control method, belongs to the technical field of automation, and relates to facial tissue pillow type packaging equipment and an electrical control method for thin film coil fast following during thin film quantitative feed. The system comprises a detection unit, a control unit and an executing mechanism, wherein the detection unit comprises a thin film accelerated compensation proximity switch, a thin film compensation stop proximity switch, a thin film decelerated compensation proximity switch, a thin film feed proximity switch and a thin film stop photoelectric switch which are connected with an input end of a servo motion controller; the control unit comprises a touch screen, a servo motion controller, a thin film feed servo driver and a thin film unreeling servo driver; the touch screen and the servo motion controller are electrically connected through a communication bus; the executing mechanism mainly comprises a thin film unreeling servo motor, a thin film feed servo motor, a thin film buffer roller set and a thin film traction roller; the thin film buffer roller set moves up and down through a linear guide rail; and the mechanisms are arranged on a wall board. The device and the control method thereof can guarantee high-speed synchronization of thin film unreeling and thin film feed and prevent the surface of a thin film coil from being damaged and creased.
Description
Technical field
The present invention relates to technical field of automation, relate to face tissue pillow type packaging equipment, i.e. during the quantitative feeding of film, film rolling is a kind of electric control method of follow-up fast.
Background technology
In the technological process of facial tissue packages equipment, involve film feeding and film and unreel.Normally batch (-type) feeding of film, i.e. one of feeding, stop, one of feeding again, in this feeding mode, film unreels and requires quick operated start and stop fast.The control method that conventional films unreels is: film rolling is pressed on the conveying roller, and film is walked around tensioner through conveying roller, sends into feed mechanism, and conveying roller and feed mechanism drag with same motor.When requiring the film feeding, motor-driven film feed mechanism and conveying roller move with linear velocity, and when film rolling produced the film convey error because of " skidding " on conveying roller, magnitude of error was compensated by tensioner, unreel thereby accomplish film.The packing film surface of face tissue often has complicated and diversified printed patterns and color, and when " skidding " on conveying roller owing to film rolling, film rolling is pressed on the conveying roller; Film is easy to generate folding line, and pattern on the film and color cause damage easily, in addition; When causing film convey error amount excessive because of " skidding "; The tensioner compensation is too late, influences the film Feeding speed, and the control method that conventional films unreels influences product design and production efficiency.
Summary of the invention
Unreel the influence that control method causes product design and production efficiency in order to overcome conventional films, the present invention provide for the film of face tissue pillow type packaging equipment unreels a kind of stable and reliable for performance and easy maintenance electric control method.
Control system of the present invention is made up of detecting unit, control unit and actuating unit three parts; Detecting unit comprises that film acceleration compensation stops compensation near switch, film and stops photoelectric switch near switch, film feeding near switch and film near switch, film deceleration compensation, and they link to each other with the input end of servo motion controller respectively; Control unit comprises that touch-screen, servo motion controller, film feed servo actuator and film unreel servo-driver; Touch-screen and servo motion controller are electrically connected through communication bus, and two servo-drivers and servo motion controller are through servo private bus electrical connection; Actuating unit mainly comprises film and unreels servomotor, film feed servo motor, film buffering roller group, packaging film feeding roller, and film buffering roller group moves up and down through line slideway, and these mechanisms are installed on the wallboard.
The photoelectric switch that the present invention adopts is the mirroring type; Maximum switching frequency is 1000HZ; What adopt is 5000HZ near the maximum switching frequency of switch, photoelectric switch and have the short characteristic of response time near switch, and the specified angular acceleration that film unreels servomotor is 3880rad/s
2, the specified angular acceleration of film feed servo motor is 15200rad/s
2, having high dynamic performance, touch-screen can carry out bus communication with servo motion controller, and servo motion controller has PLC programmable functions and servo motion controllable function, can carry out the control of logic operation and data operation and motor action.
Method of inspection of the present invention is, at first resets, and makes film buffering roller group align film and stops compensation near switch; Film stops the point of interface that photoelectric switch aligns Thinfilm pattern and the transparent place of film, calculates film rolling initial radium and initial angle speed through program again, prepares for film unreels; During normal the operation; Servo motion controller detects film and unreels the angle of rotating when servomotor is carried a film, and the in good time radius of calculating film rolling according to angle and single film length gauge is according to film rolling linear velocity and the identical characteristic of film feed line speed; Calculate the cireular frequency that film unreels servomotor; The cireular frequency that film unreels servomotor is calculated in one of the every feeding of film, and servo motion controller constantly is transferred to film to the cireular frequency that changes and film compensated speed and unreels servo-driver; Drive film and unreel servomotor, film unreels servomotor and drags thin film disk and accomplish and unreel.
Characteristics of the present invention are: one of the every feeding of film, program is calculated a film rolling radius, calculates the film rolling cireular frequency again, opens the cireular frequency that film unreels to this cireular frequency as next, so back and forth.The invention has the advantages that to guarantee that film unreels and film feeding high-speed synchronous, prevent that the film rolling surface from producing damage and folding line.
Description of drawings
Fig. 1 actuating unit scheme drawing of the present invention
Fig. 2 photoelectric switch detects the film scheme drawing
Fig. 3 mechanism of the present invention schematic diagram that resets
Fig. 4 detects film rolling initial radium schematic diagram
Fig. 5 programming control schematic diagram of the present invention
Fig. 6 film Feeding speed sequential chart
Fig. 7 film unreels the speed sequential chart
Among the figure: 1, film unreels servomotor, and 2, synchronous strap drive, 3, film rolling, 4, film unreels linear velocity V1; 5, fixing roller group, 6, buffering roller group, 7, the film compensation of slowing down stops compensation near switch near switch 8, film, 9, film quickens compensation near switch; 10, film stops photoelectric switch, and 11, traction pair roller 12, film feed line speed V2,13, nip rolls radius R 2,14, strap drive synchronously; 15, film feed servo motor, 16, the film feeding is near switch, 17, film feed servo motor angular velocity ω 2,18, film feeding cycle T; 19, film unreels servomotor cireular frequency (ω=ω 1+ Δ ω), and 20, film unreels servomotor cireular frequency (ω=ω 1), 21, film unreels servomotor angular velocity omega=(ω 1-Δ ω), 22, film unreels time t1; 23, reset button, 24, servo motion controller, 25 return feed speed programs, 26, the feeding shut down procedure; 27, unreel the reset speed program, 28, the feeding start-up routine, 29, unreel start-up routine, 30, film unreels servo-driver; 31, servo private bus, 32, film feed servo actuator, 33, touch-screen, 34, film length L; 35, initial radium testing button, 36, unreel shut down procedure, 37, unreel the angle calculation program, 38, film rolling radius calculation program; 39, Feeding speed program, 40, unreel the speed setting program, 41 unreel the speed trace routine, and 42, unreel the speed calculation program; 43, feeding feedback speed program, 44, the transparent place of film, 45, Thinfilm pattern.
The specific embodiment
Below in conjunction with accompanying drawing, specify as follows:
Among Fig. 1 and Fig. 2, film unreels servomotor 1 and is connected with film rolling 3 through synchronous strap drive 2, and the respective synchronization strap drive is than being 1:1; Film feed servo motor 15 is connected with traction pair roller 11 through synchronous strap drive 14, and the respective synchronization strap drive is than being 1:1, and film is around cushioning roller group 6 and fixedly on the roller group 5; Pass traction pair roller 11, film hauls buffering roller group 6 and moves up and down, and buffering roller group 6 triggers film when dropping to lowermost end and slows down compensation near switch 7; When buffering roller group 6 moves up, just left film and stopped compensation, triggered film at once and quicken compensation near switch 9 near switch 8; Film stops photoelectric switch 10 and is contained in above the film, detects the variation at Thinfilm pattern 45 and the transparent place 44 of film, when light beam is mapped to the transparent place 44 of film; Film stops photoelectric switch 10 and sends a signal, stops the film operation, and traction pair roller 11 is with film feed line speed V2 12 operations; Film rolling 3 unreels linear velocity V1 4 operations with film, and film length L 34 is full-lengths of a film.
Among Fig. 3, Fig. 4, Fig. 5; Film slow down compensation near switch 7, film stop to compensate near switch 8, film quicken compensation near switch 9, film stop photoelectric switch 10, the film feeding links to each other with the input end of servo motion controller 24 respectively near switch 16, reset button 23 and initial radium testing button 35; Touch-screen 33 is electrically connected through communication bus with servo motion controller 24; Servo motion controller 24 unreels servo-driver 30 through servo private bus 31 with film feed servo actuator 32 and film and is electrically connected, and film feed servo actuator 32 unreels servo-driver 30 with film and unreels servomotor 1 and be electrically connected with film feed servo motor 15, film respectively.
Among Fig. 1, Fig. 2, Fig. 3, in the time of need resetting, in return feed speed program 25, set a lower reset speed earlier; Press reset button 23, feeding start-up routine 28 starts film feed servo motor 15 through film feed servo actuator 32, the 11 pulling film operations of traction pair roller; When light beam was mapped to the transparent place 44 of film, film stopped photoelectric switch 10 and sends a signal, and feeding shut down procedure 26 stops operating film feed servo motor 15 through film feed servo actuator 32; Film is out of service, and simultaneously, film stops photoelectric switch 10 positive rise signal triggering and unreels start-up routine 29; When buffering roller group 6 film slow down compensation stop near switch 7 and film compensation near switch 8 between the time, unreel reset speed program 27 and set one and unreel negative velocity, unreel start-up routine 29 and unreel servo-driver 30 control films through film and unreel servomotor 1 counter-rotating; Film rolling 3 and then clockwise rotates, and when cushioning roller group 6 on film stops to compensate near switch 8, is in when triggering film acceleration compensation near switch 9 positions; Unreel 27 one of the setting of reset speed program and unreel positive speed; Film unreels servomotor 1 main story, and film rolling 3 and then rotates counterclockwise, and aligns film when stopping compensation near switch 8 up to buffering roller group 6; Unreeling reset speed program 27 setting speeds is 0; Film unreels servomotor 1 and stops operating, and at this moment, film buffering roller group 6 aligns film and stops compensation near switch 8; Film stops photoelectric switch 10 and aligns the transparent place 44 of film, is in reset mode.
Among Fig. 1, Fig. 2, Fig. 3, Fig. 4, when detecting the film rolling initial radium, make feeding film and buffering roller group 6 be in reset mode earlier; Be transferred to film rolling radius calculation program 38 to the actual measured value of film length L 34 through touch-screen 33, press initial radium testing button 35, unreel shut down procedure 36 and make film unreel servomotor 1 to be in halted state; Feeding start-up routine 28 starts film feed servo motor 15 through film feed servo actuator 32, the 11 pulling film operations of traction pair roller, and film hauls buffering roller group 6 and moves up; Trigger film and quicken compensation, unreel reset speed program 27 and set one and unreel positive speed, when light beam is mapped to the transparent place 44 of film near switch 9; Film stops photoelectric switch 10 and sends a signal, and feeding shut down procedure 26 is out of service through film feed servo actuator 32 control film feed servo motors 15, and film runs to the transparent place of next film from previous film transparent 44; Just move a film length L 34, simultaneously, film stops photoelectric switch 10 positive rise signal triggering and unreels start-up routine 29; Unreel servo-driver 30 through film, film unreels servomotor 1 and drags film rolling 3 left-hand revolutions, and buffering roller group 6 moves down; Unreel start-up routine 29 and trigger the angle calculation program 37 that unreels simultaneously; Begin to calculate the rotational angle that film unreels servomotor 1, when buffering roller group 6 aligns film when stopping compensation near switch 8 once more, unreeling reset speed program 27, to set the speed of unreeling be 0; Film unreels servomotor 1 and stops operating; Stop to calculate rotational angle, unreeling the rotational angle that angle calculation program 37 calculates is Δ θ, is transferred to film rolling radius calculation program 38 to Δ θ; This moment, the arc length of film rolling 3 rotations was a film length L 34; Because film unreels the synchronous strap drive of servomotor 1 and film rolling 3 than being 1:1, according to 2 π R/360=L/ Δ θ, the initial radium that film rolling radius calculation program 38 calculates film rolling 3 is R
Just=360* L/2 π * Δ θ.
Among Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7; When film unreels; It is consistent with film feed line speed V2 12 to require film to unreel linear velocity V1 4 in theory, i.e. V1=V2 is because the synchronous strap drive of film feed servo motor 15 and traction pair roller 11 is than being 1:1; Film feed line speed V2 12 equals film feed servo motor angular velocity ω 2 17 and multiply by nip rolls radius R 2 13; Be V2=ω 2* R2, because the synchronous strap drive that film unreels servomotor 1 and film rolling 3 is than being 1:1, film unreels linear velocity V1 4 and equals film and unreel servomotor angular velocity omega 1 and multiply by film rolling radius R 1; Be V1=ω 1 R1, ω 1=ω 2*R2/R1 so.
At first; Feeding speed program 39 is transferred to feeding start-up routine 28 to film feed servo motor 15 speed setting value ω 2 ', speed setting value (ω 2 '=V2/R2) set according to device fabrication speed, press reset button 23; Resetting system; Roll up 3 initial radiums for testing film and prepare, press initial radium testing button 35 again, measure film rolling 3 initial radium R
Just, film rolling radius calculation program 38 is initial radium R
JustBe transferred to the speed calculation program 42 that unreels, feeding feedback speed program 43 is measured film feed servo motor values for actual speed ω 2 through servo private bus 31 in good time
(ω 2 ≈ ω 2 '), unreel speed calculation program 42 and calculate rate of onset ω 1=ω 2*R2/R that film unreels servomotor 1
Just, unreel speed setting program 40 and be transferred to and unreel start-up routine 29 unreeling speed omega 1.
During the material feeding; When the film feeding is sensed feeding material signal near switch 16; The film feeding triggers feeding start-up routine 28 simultaneously and unreels start-up routine 29 near switch 16, unreels start-up routine 29 triggerings and unreels angle calculation program 37, begins to calculate the rotational angle that film unreels servomotor 1; Film feed servo motor 15 rotates with feeding angular velocity omega 2, and film unreels servomotor 1 with angular velocity omega 1=ω 2*R2/R
JustRotate, two motor speeds are followed, and are in service; Since two motor acceleration and deceleration, start and stop and films slight in traction pair roller 11 " skid, cause two motor speeds asynchronous, buffering roller group 6 is hauled by film and moves up and down; when buffering roller group 6 film slow down compensation stop near switch 7 and film compensation near switch 8 between the time, unreel speed setting program 40 and set films and unreel servomotor angular velocity omega=ω 1-Δ ω 21, when buffering roller group 6 film stop compensation near switch 8 on; be in when triggering film and quickening compensation near switch 9 positions, unreel speed setting program 40 and set films and unreel servomotor angular velocity omega=ω 1+ Δ ω 19, when buffering roller group 6 aligns film when stopping compensation near switch 8; unreel speed setting program 40 and set films and unreel servomotor angular velocity omega=ω 1 20; wherein Δ ω " skids " for overcoming motor acceleration and deceleration, start and stop and film, cause the asynchronous and compensation speed increasing of two motor speeds, it is an empirical value; and since film unreel time t1 22 must be less than film feeding cycle T 18; Suitable adjustment Δ ω makes t1＜T, the time gap of adjacent twice startup of film when film feeding cycle T is meant the feeding of film batch (-type); When light beam is mapped to the transparent place 44 of film; Film stops photoelectric switch 10 and sends a signal, and feeding shut down procedure 26 stops operating film feed servo motor 15 through film feed servo actuator 32, and film is out of service.Do not stop compensation near switch 8 if this moment buffering roller group 6 aligns film, film rolling 3 can with ω=± Δ ω speed operation a period of time, up to buffering roller group 6 align film stop compensation near switch 8 till.Detect film and unreel servomotor 1 speed when being 0 when unreeling speed trace routine 41; The angle calculation that stops operating, unreeling angle calculation program 37, to calculate rotational angle be Δ θ ', is transferred to film rolling radius calculation program 38 to Δ θ '; This moment, the arc length of film rolling 3 rotations was a film length L 34; Because film unreels the synchronous strap drive of servomotor 1 and film rolling 3 than being 1:1, according to 2 π R/360=L/ Δ θ ', film rolling radius calculation program 38 calculate film rolling 3 next time the needed radius of cireular frequency be R1=360* L/2 π * Δ θ '; Unreel speed calculation program 42 and calculate the cireular frequency that next time unreels: ω=ω 1=ω 2* R2/ R1; This moment, film was in reset mode, sensed next feeding material signal when the film feeding near switch 16, carried out film feeding next time and unreeled.So back and forth, film of every operation detects one time the film rolling radius, calculate the cireular frequency that film next time unreels servomotor 1 operation, thereby realization film high-speed synchronous unreels.
Claims (10)
1. high speed unwinding device that is used for the film index(ing) feed; Its control system is made up of detecting unit, control unit and actuating unit three parts; It is characterized in that: detecting unit comprises that film acceleration compensation stops compensation near switch, film and stops photoelectric switch near switch, film feeding near switch and film near switch, film deceleration compensation, and they link to each other with the input end of servo motion controller respectively; Control unit comprises that touch-screen, servo motion controller, film feed servo actuator and film unreel servo-driver; Touch-screen and servo motion controller are electrically connected through communication bus, and two servo-drivers and servo motion controller are through servo private bus electrical connection; Actuating unit mainly comprises film and unreels servomotor, film feed servo motor, film buffering roller group, packaging film feeding roller, and film buffering roller group moves up and down through line slideway, and these mechanisms are installed on the wallboard.
2. a kind of high speed that is used for the film index(ing) feed according to claim 1 unreels control method, it is characterized in that: film unreels servomotor (1) and is connected with film rolling (3) through synchronous strap drive (2), and the respective synchronization strap drive is than being 1:1; Film feed servo motor (15) is connected with traction pair roller (11) through synchronous strap drive (14), and the respective synchronization strap drive is than being 1:1, and film is around cushioning roller group (6) and fixedly on the roller group (5); Pass traction pair roller (11); Film hauls buffering roller group (6) and moves up and down, and buffering roller group (6) triggers film and slows down compensation near switch (7) when dropping to lowermost end, and buffering roller group (6) is when moving up; Just left film and stopped compensation near switch (8); Trigger film and quicken compensation near switch (9), film stops photoelectric switch (10) and is contained in above the film, detects the variation at Thinfilm pattern (45) and the transparent place of film (44) at once; When light beam is mapped to the transparent place of film (44); Film stops photoelectric switch (10) and sends a signal, stops the film operation, and traction pair roller (11) moves with film feed line speed V2 (12); Film rolling (3) unreels linear velocity V1 (4) operation with film, and film length L (34) is the full-length of a film.
3. a kind of high speed unwinding device that is used for the film index(ing) feed according to claim 1; It is characterized in that: film slow down compensation near switch (7), film stop compensation near switch (8), film quicken compensation near switch (9), film stop photoelectric switch (10), the film feeding links to each other with the input end of servo motion controller (24) respectively near switch (16), reset button (23) and initial radium testing button (35); Touch-screen (33) and servo motion controller (24) are electrically connected through communication bus; Servo motion controller (24) unreels servo-driver (30) through servo private bus (31) with film feed servo actuator (32) and film and is electrically connected, and film feed servo actuator (32) and film unreel servo-driver (30) and unreel servomotor (1) with film feed servo motor (15), film respectively and be electrically connected.
4. a kind of high speed unwinding device that is used for the film index(ing) feed according to claim 1; It is characterized in that: the photoelectric switch of employing is the mirroring type; Maximum switching frequency is 1000HZ; What adopt is 5000HZ near the maximum switching frequency of switch, photoelectric switch and have the short characteristic of response time near switch, and the specified angular acceleration that film unreels servomotor is 3880rad/s
2, the specified angular acceleration of film feed servo motor is 15200rad/s
2, having high dynamic performance, touch-screen can carry out bus communication with servo motion controller, and servo motion controller has PLC programmable functions and servo motion controllable function, can carry out the control of logic operation and data operation and motor action.
5. a kind of high speed that is used for the film index(ing) feed according to claim 2 unreels control method, it is characterized in that: at first reset, make film buffering roller group align film and stop compensation near switch; Film stops the point of interface that photoelectric switch aligns Thinfilm pattern and the transparent place of film, calculates film rolling initial radium and initial angle speed through program again, prepares for film unreels; During normal the operation; Servo motion controller detects film and unreels the angle of rotating when servomotor is carried a film, and the in good time radius of calculating film rolling according to angle and single film length gauge is according to film rolling linear velocity and the identical characteristic of film feed line speed; Calculate the cireular frequency that film unreels servomotor; The cireular frequency that film unreels servomotor is calculated in one of the every feeding of film, and servo motion controller constantly is transferred to film to the cireular frequency that changes and film compensated speed and unreels servo-driver; Drive film and unreel servomotor, film unreels servomotor and drags thin film disk and accomplish and unreel.
6. a kind of high speed that is used for the film index(ing) feed according to claim 5 unreels control method, it is characterized in that: in the time of need resetting, in return feed speed program (25), set a lower reset speed earlier; Press reset button (23), feeding start-up routine (28) starts film feed servo motor (15) through film feed servo actuator (32), the operation of traction pair roller (11) pulling film; When light beam was mapped to the transparent place of film (44), film stopped photoelectric switch (10) and sends a signal, and feeding shut down procedure (26) stops operating film feed servo motor (15) through film feed servo actuator (32); Film is out of service, and simultaneously, film stops photoelectric switch (10) positive rise signal triggering and unreels start-up routine (29); When buffering roller group (6) film slow down compensation stop to compensate near switch (8) near switch (7) and film between the time; Unreel reset speed program (27) and set one and unreel negative velocity, unreel start-up routine (29) and unreel servo-driver (30) control film through film and unreel servomotor (1) counter-rotating, film rolling (3) and then clockwise rotates; When cushioning roller group (6) on film stops to compensate near switch (8); Be in when triggering film acceleration compensation near switch (9) position, unreel one of reset speed program (27) setting and unreel positive speed, film unreels servomotor (1) main story; Film rolling (3) and then rotates counterclockwise; Align film up to buffering roller group (6) and stop compensation during near switch (8), unreeling reset speed program (27) setting speed is 0, and film unreels servomotor (1) and stops operating; At this moment; Film buffering roller group (6) aligns film and stops compensation near switch (8), and film stops photoelectric switch (10) and aligns the transparent place of film (44), is in reset mode.
7. a kind of high speed that is used for the film index(ing) feed according to claim 5 unreels control method, it is characterized in that: when detecting the film rolling initial radium, make feeding film and buffering roller group (6) be in reset mode earlier; Be transferred to film rolling radius calculation program (38) to the actual measured value of film length L (34) through touch-screen (33), press initial radium testing button (35), unreel shut down procedure (36) and make film unreel servomotor (1) to be in halted state; Feeding start-up routine (28) starts film feed servo motor (15) through film feed servo actuator (32), the operation of traction pair roller (11) pulling film, and film hauls buffering roller group (6) and moves up; Trigger film and quicken compensation near switch (9); Unreel one of reset speed program (27) setting and unreel positive speed, when light beam was mapped to the transparent place of film (44), film stopped photoelectric switch (10) and sends a signal; Feeding shut down procedure (26) is out of service through film feed servo actuator (32) control film feed servo motor (15); Film runs to the transparent place of next film from previous film transparent (44), just moves a film length L (34), simultaneously; Film stops photoelectric switch (10) positive rise signal triggering and unreels start-up routine (29); Unreel servo-driver (30) through film, film unreels servomotor (1) and drags film rolling (3) left-hand revolution, and buffering roller group (6) moves down; Unreel start-up routine (29) and trigger the angle calculation program (37) that unreels simultaneously; Begin to calculate the rotational angle that film unreels servomotor (1), stop compensation during near switch (8) when buffering roller group (6) aligns film once more, unreeling reset speed program (27), to set the speed of unreeling be 0; Film unreels servomotor (1) and stops operating; Stop to calculate rotational angle, unreeling the rotational angle that angle calculation program (37) calculates is Δ θ, is transferred to film rolling radius calculation program (38) to Δ θ; The arc length that film rolling this moment (3) is rotated is a film length L (34); Because film unreels the synchronous strap drive of servomotor (1) and film rolling (3) than being 1:1, according to 2 π R/360=L/ Δ θ, the initial radium that film rolling radius calculation program (38) calculates film rolling (3) is R
Just=360* L/2 π * Δ θ.
8. a kind of high speed that is used for the film index(ing) feed according to claim 5 unreels control method; It is characterized in that: when film unreels; It is consistent to require film to unreel linear velocity V1 (4) and film feed line speed V2 (12) in theory, i.e. V1=V2 is because the synchronous strap drive of film feed servo motor (15) and traction pair roller (11) is than being 1:1; Film feed line speed V2 (12) equals film feed servo motor angular velocity ω 2 (17) and multiply by nip rolls radius R 2 (13); Be V2=ω 2* R2, because the synchronous strap drive that film unreels servomotor (1) and film rolling (3) is than being 1:1, film unreels linear velocity V1 (4) and equals film and unreel servomotor angular velocity omega 1 and multiply by film rolling radius R 1; Be V1=ω 1 R1, ω 1=ω 2*R2/R1 so.
9. a kind of high speed that is used for the film index(ing) feed according to claim 5 unreels control method; It is characterized in that: at first; Feeding speed program (39) is transferred to feeding start-up routine (28) to film feed servo motor (15) speed setting value ω 2 ', speed setting value (ω 2 '=V2/R2) according to the device fabrication speed setting, press reset button (23); Resetting system; Prepare for testing film volume (3) initial radium, press initial radium testing button (35) again, measure film rolling (3) initial radium R
Just, film rolling radius calculation program (38) is initial radium R
JustBe transferred to the speed calculation program (42) that unreels, feeding feedback speed program (43) is measured film feed servo motor values for actual speed ω 2 through servo private bus (31) in good time
(ω 2 ≈ ω 2 '), unreel speed calculation program (42) and calculate rate of onset ω 1=ω 2*R2/R that film unreels servomotor (1)
Just, unreel speed setting program (40) and be transferred to and unreel start-up routine (29) unreeling speed omega 1.
10. a kind of high speed that is used for the film index(ing) feed according to claim 5 unreels control method; It is characterized in that: during the material feeding; When the film feeding is sensed feeding material signal near switch (16); The film feeding triggers feeding start-up routine (28) simultaneously and unreels start-up routine (29) near switch (16), unreels start-up routine (29) triggering and unreels angle calculation program (37), begins to calculate the rotational angle that film unreels servomotor (1); Film feed servo motor (15) rotates with feeding angular velocity omega 2, and film unreels servomotor (1) with angular velocity omega 1=ω 2*R2/R
JustRotate, two motor speeds are followed, and are in service; Since two motor acceleration and deceleration, start and stop and films slight in traction pair roller (11) " skid, cause two motor speeds asynchronous, buffering roller group (6) is hauled by film and moves up and down; when buffering roller group (6) film slow down compensation stop near switch (7) and film compensation near switch (8) between the time; unreel speed setting program (40) and set film and unreel servomotor angular velocity omega=ω 1-Δ ω (21), when buffering roller group (6) film stop compensation near switch (8) on, be in when triggering film and quickening compensation; unreel speed setting program (40) and set film and unreel servomotor angular velocity omega=ω 1+ Δ ω (19); when buffering roller group (6) aligns film when stopping compensation near switch (8) near switch (9) position, unreel speed setting program (40) and set film and unreel servomotor angular velocity omega=ω 1 (20), wherein Δ ω " skids " for overcoming motor acceleration and deceleration, start and stop and film; cause the asynchronous and compensation speed of increase of two motor speeds; It is an empirical value, because film unreels time t1 (22) and must suitably adjust Δ ω less than film feeding cycle T (18); Make t1＜T; The time gap of adjacent twice startup of film when film feeding cycle T is meant the feeding of film batch (-type), when light beam was mapped to the transparent place of film (44), film stopped photoelectric switch (10) and sends a signal; Feeding shut down procedure (26) stops operating film feed servo motor (15) through film feed servo actuator (32), and film is out of service; Do not stop compensation near switch (8) if this moment buffering roller group (6) aligns film, film rolling (3) can with ω=± Δ ω speed operation a period of time, up to buffering roller group (6) align film stop compensation near switch (8) till; Detect film and unreel servomotor (1) speed when being 0 when unreeling speed trace routine (41); Angle calculation stops operating; Unreeling angle calculation program (37), to calculate rotational angle be Δ θ '; Be transferred to film rolling radius calculation program (38) to Δ θ ', the arc length that film rolling this moment (3) is rotated is a film length L (34), because film unreels the synchronous strap drive of servomotor (1) and film rolling (3) than being 1:1; According to 2 π R/360=L/ Δ θ '; Film rolling radius calculation program (38) calculate film rolling (3) next time the needed radius of cireular frequency be R1=360* L/2 π * Δ θ ', unreel speed calculation program (42) and calculate the cireular frequency that next time unreels: ω=ω 1=ω 2* R2/ R1, this moment film be in reset mode; Sense next feeding material signal when the film feeding near switch (16), carry out film feeding next time and unreel; So back and forth, film of every operation detects one time the film rolling radius, calculate the cireular frequency that film next time unreels servomotor (1) operation, thereby realization film high-speed synchronous unreels.
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| CN 201210207551 CN102700764B (en) | 2012-06-23 | 2012-06-23 | High-speed unreeling device for thin film intermittent feed and control method |
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| CN 201210207551 CN102700764B (en) | 2012-06-23 | 2012-06-23 | High-speed unreeling device for thin film intermittent feed and control method |
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Cited By (9)
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| CN103009422A (en) * | 2012-10-09 | 2013-04-03 | 鲁东大学 | Control system of roller needle type mulch punching machine |
| CN103979148A (en) * | 2014-05-02 | 2014-08-13 | 常德烟草机械有限责任公司 | Control system and control method for on-line film cutting position adjustment |
| CN104773332A (en) * | 2015-04-03 | 2015-07-15 | 江苏新美星包装机械股份有限公司 | Device for unwinding and drawing film in film coating machine |
| CN105692292A (en) * | 2016-04-05 | 2016-06-22 | 广东元科技实业有限公司 | Transmission device capable of driving cloth feeding rollers of spreading machine in servo automatic-following mode |
| CN107195982A (en) * | 2017-07-19 | 2017-09-22 | 广州科伺智能科技有限公司 | A kind of closed-loop lithium battery core coil device and method |
| CN108126916A (en) * | 2018-01-29 | 2018-06-08 | 上扬无线射频科技扬州有限公司 | Exception RFID inspection rejects can be achieved and mend the reinspection equipment of mark function |
| CN110872010A (en) * | 2018-09-04 | 2020-03-10 | 航天信息股份有限公司 | Unreeling device, unreeling control method and film laminating machine |
| CN112093530A (en) * | 2020-07-24 | 2020-12-18 | 固高科技(深圳)有限公司 | Control method and control system for high-speed winding and unwinding and splitting machine |
| CN113853340A (en) * | 2019-05-16 | 2021-12-28 | 埃特纳集团股份公司 | Unwinding device for packaging machine |
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| CN108126916A (en) * | 2018-01-29 | 2018-06-08 | 上扬无线射频科技扬州有限公司 | Exception RFID inspection rejects can be achieved and mend the reinspection equipment of mark function |
| CN110872010A (en) * | 2018-09-04 | 2020-03-10 | 航天信息股份有限公司 | Unreeling device, unreeling control method and film laminating machine |
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